Linux Kernel up to 5.18.2 common.c test_bit out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 5.18.2. Affected by this issue is the function test_bit of the file drivers/net/wireless/ath/ath9k/common.c. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2022-49503. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.18.2. It has been rated as problematic. This issue affects the function test_bit of the file drivers/net/wireless/ath/ath9k/common.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix The "rxstatus->rs_keyix" eventually gets passed to test_bit() so we need to ensure that it is within the bitmap. drivers/net/wireless/ath/ath9k/common.c:46 ath9k_cmn_rx_accept() error: passing untrusted data 'rx_stats->rs_keyix' to 'test_bit()'

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2022-49503 since 02/26/2025. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 240793 (SUSE SLES12 Security Update : kernel (SUSE-SU-2025:01983-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14 or 5.18.3 eliminates this vulnerability. Applying the patch 0bcb528402cd5e1a6e1833e956fd58a12d509e8e/a048e0c3caa852397b7b50d4c82a0415c05f7ac3/4bdcf32c965c27f55ccc4ee71c1927131115b0bb/2326d398ccd41ba6d93b8346532dfa432ab00fee/461e4c1f199076275f16bf6f3d3e42c6b6c79f33/7f6defe0fabc79f29603c6fa3c80e4fe0456a3e9/eda518db7db16c360bc84379d90675650daa3048/3dad3fed5672828c7fb0465cb66a3d9a70952fa6/2dc509305cf956381532792cb8dceef2b1504765 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (240793). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240793
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2025:01983-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.9.318/4.14.283/4.19.247/5.4.198/5.10.121/5.15.46/5.17.14/5.18.3
Patch: 0bcb528402cd5e1a6e1833e956fd58a12d509e8e/a048e0c3caa852397b7b50d4c82a0415c05f7ac3/4bdcf32c965c27f55ccc4ee71c1927131115b0bb/2326d398ccd41ba6d93b8346532dfa432ab00fee/461e4c1f199076275f16bf6f3d3e42c6b6c79f33/7f6defe0fabc79f29603c6fa3c80e4fe0456a3e9/eda518db7db16c360bc84379d90675650daa3048/3dad3fed5672828c7fb0465cb66a3d9a70952fa6/2dc509305cf956381532792cb8dceef2b1504765

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
10/21/2025 +237 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49503 (🔍)
GCVE (CVE): GCVE-0-2022-49503
GCVE (VulDB): GCVE-100-297089

Entryinfo

Created: 02/26/2025 10:11
Updated: 10/21/2025 20:02
Changes: 02/26/2025 10:11 (59), 06/28/2025 04:08 (2), 10/21/2025 20:02 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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